Home / 31,835.11-43,932.14-17,687.65

Finding the Fourth Proportional to 31,835.11, 43,932.14 and 17,687.65

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Solution

The fourth proportional to 31,835.11, 43,932.14 and 17,687.65 is: 24,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.11 : 43,932.14 = 17,687.65 : x
  2. Step 2: Convert to fraction form
    31,835.11/43,932.14 = 17,687.65/x
  3. Step 3: Cross multiply
    31,835.11x = 43,932.14 × 17,687.65
  4. Step 4: Simplify right side
    31,835.11x = 777,056,227.63
  5. Step 5: Solve for x
    x = 777,056,227.63/31,835.11
  6. Step 6: Final answer
    x = 24,408.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.